mining machinery supplies
Posted by yoyocrusher on February 25th, 2019
As is known to all, the earth's crust is rock, which is a kind of composition mineral collection being made up of one or more mineral. By natural physical chemistry reaction or biological chemistry reaction, the crust generates natural elements with solid production of chemical composition or physical properties .And that forms minerals, the natural elements (such as gold, graphite, sulphur) or natural compounds (such as magnetite, chalcopyrite, quartz). There are various kinds of minerals and the minerals for human utilization called useful minerals. Ore concept is developing, with the growth demanding of the economy, resources distribution changes and the development of science and technology, more of the rocks may be upgraded to ore. At present in China, for example, the mineral collection with iron of 20% or more can be used as iron ore; And iron content less than 20% was divided into the rock. As the same, the definition of the Portable Crusher Manufacturers In Ghana is relative, too. It also changes along with the change of resources and economic and technological condition. There are many kinds of minerals. Based on the nature of mineral and industry uses, ores are classified into metal ore, nonmetalliferous ore and flammable machine rock. According to the types of metal containing, ores can be divided into the single metal ore, multi-metal composite ore. Ore mining usually through the following steps: crushing and screening, grinding and classification, material separation, concentrates and residue processing, dressing conduction, etc.Also See: Natural Elements, Mining Machinery, Mineral Collection, Metal Ore, Ore, Minerals, Natural
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